S
M
T
W
T
F
S
29
57°
37°
30
57°
41°
1
61°
43°
2
56°
41°
3
69°
35°
4
67°
33°
5
55°
34°
6
55°
37°
7
60°
42°
8
60°
43°
9
54°
31°
10
60°
40°
11
64°
41°
12
Hist. Avg.
59°
36°
13
Hist. Avg.
59°
35°
14
Hist. Avg.
59°
35°
15
Hist. Avg.
59°
35°
16
Hist. Avg.
59°
35°
17
Hist. Avg.
58°
35°
18
Hist. Avg.
58°
34°
19
Hist. Avg.
58°
34°
20
Hist. Avg.
58°
34°
21
Hist. Avg.
58°
34°
22
Hist. Avg.
58°
34°
23
Hist. Avg.
58°
34°
24
Hist. Avg.
58°
34°
25
Hist. Avg.
58°
34°
26
Hist. Avg.
58°
34°
27
Hist. Avg.
58°
34°
28
Hist. Avg.
58°
34°
29
Hist. Avg.
58°
34°
30
Hist. Avg.
58°
33°
31
Hist. Avg.
58°
33°
1
Hist. Avg.
58°
33°
2
Hist. Avg.
58°
33°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
December Weather in Elgin
Elgin's December 2026 forecast shows daily high temperatures ranging from 54° to 69°, with overnight lows between 31° and 43°. The average high for December is 60° with an average low of 38°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how December weather will actually feel in Elgin. See also: January | February | March.
